Tuesday, 16 November 2004 - 1:40 PM
0733

Studies on alternative integrated management strategies for control of the carrot rust fly, Psila rosa

David Muehleisen, muehleisen@wsu.edu, Washington State University, Puyallup REC, 7612 Pioneer Way, East Puyallup, WA

The Carrot Rust Fly (CRF) is a major pest of carrots in moist, northern climates, causing significant economic losses for farmers. The highly toxic organophosphate diazinon is the only insecticide currently registered for use against this pest. The statewide Washington State University (WSU) Small Farms Program is developing an integrated research and outreach program that would help Washington farmers employ far less toxic practices to manage CRF populations that are economically competitive and environmentally superior to present recommended practices. We will report on our on going efforts to monitor CRF throughout the western Washington carrot growing region and the use of the cultural and mechanical control practices of cover crops, row covers and crop rotation. We will also report on our efforts to integrate those practices with the introduction of low toxicity suppression practices using strategic application of the insect pathogens Beauveria bassiana (Mycotrol-O) and selected entomopathogenic nematodes.


Species 1: Diptera Psilidae Psila rosae (carrot rust fly)
Keywords: IPM

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